I can imagine a time when this practice becomes so common that spambots start mass-applying, and then employers need to use a CAPTCHA to ensure that only humans are using their API.
CAPTCHAs on an API. Never thought I'd see the day...
Actually, I specced this out for Delicious around 2007. I wanted to have the API be able to reply with "break this CAPTCHA/challenge/etc to continue" before actually applying the write/read/etc. (Delicious was very aggressively spammed.)
CAPTCHAs on an API. Never thought I'd see the day...